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authorAmol Lad <amol@verismonetworks.com>2006-12-08 02:40:16 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 08:29:05 -0800
commit57354c42f177a2b58fb1f61125ad2cb2e8743a9b (patch)
tree361b292af4526bd2ef741c484e0f58b4da45142c /drivers/video/amifb.c
parent6792951b6ad13d7b2fff71ae7d2982b2fa1d6788 (diff)
downloadlinux-57354c42f177a2b58fb1f61125ad2cb2e8743a9b.tar.bz2
[PATCH] ioremap balanced with iounmap for drivers/video/amifb
ioremap must be balanced by an iounmap and failing to do so can result in a memory leak. Signed-off-by: Amol Lad <amol@verismonetworks.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video/amifb.c')
-rw-r--r--drivers/video/amifb.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index a4e3fca05891..88a47845c4f7 100644
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -2407,10 +2407,10 @@ default_chipset:
fb_info.fix.smem_len);
if (!videomemory) {
printk("amifb: WARNING! unable to map videomem cached writethrough\n");
- videomemory = ZTWO_VADDR(fb_info.fix.smem_start);
- }
+ fb_info.screen_base = (char *)ZTWO_VADDR(fb_info.fix.smem_start);
+ } else
+ fb_info.screen_base = (char *)videomemory;
- fb_info.screen_base = (char *)videomemory;
memset(dummysprite, 0, DUMMYSPRITEMEMSIZE);
/*
@@ -2453,6 +2453,8 @@ static void amifb_deinit(void)
{
fb_dealloc_cmap(&fb_info.cmap);
chipfree();
+ if (videomemory)
+ iounmap((void*)videomemory);
release_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120);
custom.dmacon = DMAF_ALL | DMAF_MASTER;
}